import numpy as np
a = np.array([[1,2], [3,4]])
b = np.array([[5,6], [7,8]])
print(a + b)
print('*' * 35)
print(a - b)
print('*' * 35)
print(a * b)
print('*' * 35)
print(a / b)
print('*' * 35)
print(a ** b)
print('*' * 35)
print(a @ b)